Home / 8,145.50-11,240.80-4,608.66

Finding the Fourth Proportional to 8,145.50, 11,240.80 and 4,608.66

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Solution

The fourth proportional to 8,145.50, 11,240.80 and 4,608.66 is: 6,359.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.50 : 11,240.80 = 4,608.66 : x
  2. Step 2: Convert to fraction form
    8,145.50/11,240.80 = 4,608.66/x
  3. Step 3: Cross multiply
    8,145.50x = 11,240.80 × 4,608.66
  4. Step 4: Simplify right side
    8,145.50x = 51,805,025.33
  5. Step 5: Solve for x
    x = 51,805,025.33/8,145.50
  6. Step 6: Final answer
    x = 6,359.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.